/* ============================================
   PREPARACIÓN PARA ESTUDIOS - AMAYALAB
   4 Cards: Ayuno, Medicamentos, Hidratación, Reposo
   ============================================ */

.preparacion {
    padding: 5rem 2.5rem;
    background: linear-gradient(180deg, #F8F9FA 0%, #FFFFFF 100%);
}

.preparacion-contenedor {
    max-width: 1000px;
    margin: 0 auto;
}

/* ===== ENCABEZADO ===== */
.preparacion-header {
    text-align: center;
    margin-bottom: 3rem;
}

.preparacion-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(15, 129, 242, 0.06);
    border: 1px solid rgba(15, 129, 242, 0.12);
    color: #0F81F2;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.preparacion-titulo {
    font-size: 2.2rem;
    font-weight: 800;
    color: #0A5DB0;
    margin-bottom: 0.5rem;
}

.texto-gradiente {
    background: linear-gradient(135deg, #0F81F2, #0A5DB0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.preparacion-subtitulo {
    font-size: 1rem;
    color: #5A6B7D;
}

/* ===== GRID ===== */
.preparacion-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* ===== TARJETA ===== */
.prep-card {
    background: #FFFFFF;
    border: 1px solid rgba(15, 129, 242, 0.06);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.35s ease;
    box-shadow: 0 4px 15px rgba(15, 129, 242, 0.03);
}

.prep-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(15, 129, 242, 0.1);
    border-color: rgba(15, 129, 242, 0.2);
}

/* ===== ÍCONO ===== */
.prep-icono {
    width: 70px;
    height: 70px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 129, 242, 0.06);
    border-radius: 18px;
    font-size: 1.8rem;
    color: #0F81F2;
    transition: all 0.35s ease;
}

.prep-card:hover .prep-icono {
    background: #0F81F2;
    color: #FFFFFF;
    transform: scale(1.08);
    box-shadow: 0 10px 25px rgba(15, 129, 242, 0.3);
}

/* ===== TEXTO ===== */
.prep-titulo {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0A5DB0;
    margin-bottom: 0.5rem;
}

.prep-texto {
    font-size: 0.88rem;
    color: #5A6B7D;
    line-height: 1.5;
}

/* ===== AOS ===== */
[data-aos] {
    opacity: 0;
    transition: all 0.7s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .preparacion {
        padding: 4rem 1.5rem;
    }
    
    .preparacion-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .preparacion-titulo {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .preparacion-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .prep-icono {
        width: 55px;
        height: 55px;
        font-size: 1.4rem;
    }
}